HF BPF, band pass filter, RTL SDR HERMES ODYSSEY HiQSDR Red Pitaya transceiver | eBay
I made a 137MHz NOAA bandpass filter. Here are some pictures of the filter and spectrum! : r/RTLSDR
New product from FlightAware: A 1090 MHz Bandpass Filter for the RTL-SDR
HF BPF, band pass filter, RTL SDR HERMES ODYSSEY HiQSDR Red Pitaya transceiver | eBay
RTL-SDR Filter Cards | Multichannel SDR Transceivers and Audio Arrays
filter_char_setup
A simple homebrew high pass filter | The SWLing Post
low pass filter
filter
low pass filter
Band Pass Filter Bpf 315m 433m 900m 1090m 1575m 2450m 2.4g Anti-interference For Rtl-sdr Receiver Ham Radio Amplifier Remote - Oscilloscope Parts & Accessories - AliExpress
RTL-SDR.com Broadcast AM high pass filter - TechnoFix UK
SDR
RTL-SDR.COM Broadcast FM Band-Stop Filter (88-108 MHz Reject) Now for Sale + RTL-SDR V3 Dongle Availability
RTL-SDR Blog Broadcast FM Band-Stop Filter
Low Pass Filter for RTL-SDR Direct Sampling Mode
Measuring the Frequency Response of a Bandpass Filter with the RTL-SDR
RTL-SDR.com Broadcast AM Block High Pass Filter Now for Sale
RTL-SDR Filter Cards | Multichannel SDR Transceivers and Audio Arrays
filtering
RTL-SDR Blog V.3. Dongles User Guide
bandpass filter
RTL SDR Front End Filter Demonstration - YouTube
Broadcast AM Reject High Pass Filter (2.6 MHz HPF) by RTL-SDR Blog
RTL-SDR Filter Cards | Multichannel SDR Transceivers and Audio Arrays
